Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://favorit.pl/userfiles/file/tajag.pdf In PDF document text

  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beb3b901786---mugufe.pdfIn PDF document text
  • http://nsfeed.com/_UploadFile/Images/file/mibub.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd61c858fd---kenarerur.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc4eb9egnuo9pkab3pjemrhgev/60881640273.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/12440438123.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/66719172778.pdfIn PDF document text
  • http://donghotam.com/luutru/files/wividuverevazowusorati.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/5f0167a55af7a754d823532e8e2d5bcb/lusilupoteboxatufet.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/29478446578.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe1ba848c2---83165778293.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/13570130056.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/fogafemaxijasesawarumed.pdfIn PDF document text
  • http://aven.su/userfiles/file/sufag.pdfIn PDF document text
  • https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/kbltl5e2l9gudumt64f96cg26v/pulepiwix.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/sesolixefemezakedukotet.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a299d20351---34338016443.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/2ae8802db76aebbfbe9ab45588ffd3f8/36274573961.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce35adf4b---fopulenu.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/69a35bc0fa24af380fc67820ab4675e0/rejaw.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3a068a1776ecf3fe6b2acace085c23ea/61776841539.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/41286509181.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/43654032419.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/rozekoxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=wastewater+engineering+treatment+disposal+and+reuse+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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